Finding the Fourth Proportional to 37,882.18, 56,839.68 and 20,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,882.18 : 56,839.68 = 20,331.50 : x
2. Step 2: Convert to fraction form
   37,882.18/56,839.68 = 20,331.50/x
3. Step 3: Cross multiply
   37,882.18x = 56,839.68 × 20,331.50
4. Step 4: Simplify right side
   37,882.18x = 1,155,636,096.02
5. Step 5: Solve for x
   x = 1,155,636,096.02/37,882.18
6. Step 6: Final answer
   x = 30,506.06